Trump Hotel in Vegas

Donald Trump’s hotel chain has confirmed that credit cards used at seven high-end properties have been compromised as a result of malware that went unnoticed on system computers for more than a year.

Trump Hotel Collection acknowledged on Monday that sensitive financial data may have been stolen by hackers who had breached a system linked to the chain’s front-desk computers, payment-card terminals and other point-of-sale machines at select properties managed by the GOP Republican candidate’s company.

An “independent forensic investigation did not find any evidence that any customer information was removed from our systems. However, we have decided to provide notice as a precaution and in an abundance of caution for the protection of our guests,” the company said.

Customers who used credit cards at affected locations between May 19, 2014, and June 2, 2015, may have been impacted by malware that put their personal information at risk, the chain warned.

Credit-card account numbers, expiration dates and security codes all may have been compromised by the hackers during the nearly 13-month span the malware went unnoticed, the company conceded, with customers of hotels in Las Vegas and Hawaii at risk of having their first and last names accessed as well.

Hotel patrons who used bank cards at the affected properties during the time the malware was present are being extended one year of complimentary fraud resolution and identity protection services by Mr. Trump’s hotels, albeit through Experian, a global information services group, which also suffered a security breach this week.

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